macabre
1. [ adjective ] shockingly repellent; inspiring horror
Synonyms: grim gruesome ghastly grisly
Examples:

"ghastly wounds" "the grim aftermath of the bombing" "the grim task of burying the victims" "a grisly murder" "gruesome evidence of human sacrifice" "macabre tales of war and plague in the Middle ages"

Related terms: alarming
Similar spelling:   max_bruch